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3.
Let’s look at some numbers:<br />An estimated 190,120,055 gallons of oil have leaked into the Gulf of Mexico. <br />Oil is sold in barrels. There are 42 gallons of oil per barrel.<br />How many barrels of oil have leaked into the Gulf of Mexico?<br />________about 4.5 million barrels_______________<br />42 gallons of oil<br />1 barrel<br />190,120,055 gallons of oil<br />190,120,055 gal of oil<br />? barrels<br />4,526,667 barrels<br />By dividing the gallons in the Gulf by the number of gallons per barrel.<br />

5.
Let’s talk about gasoline:<br />For every barrel of oil (42 gallons), we can get 19.5 gallons of gasoline.<br />From our calculation of __________ barrels of oil in the Gulf of Mexico, how many gallons of gas could have been produced?<br />___________________________________<br />230,769 gallons of gas<br />? Gallons of gas<br />4,500,000 barrels<br />19.5 gallons of gas<br />1 barrel<br />230,769 gal of gas<br />4,500,000 barrels<br />4.5 million barrels divided by 19.5 gallons of gas.<br />

6.
Let’s talk about gasoline:<br />If 19.5 gallons of gas can be made from 1 barrel (42 gal), what % of each barrel can be made into gas?<br />___________________________________<br />46%<br />19.5 gallons of gas <br />42 gallons (per barrel)<br />=<br />0.46<br />=<br />46%<br />